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Lambdoceras siouxensis

Mammalia - Protoceratidae

Taxonomy
Synthetoceras siouxensis was named by Frick (1937) [subgenus Prosynthetoceras]. Its type locality is Observation Quarry, which is in a Barstovian terrestrial horizon in Nebraska.

It was recombined as Prosynthetoceras siouxensis by Patton (1967); it was recombined as Lambdoceras siouxensis by Tedford et al. (1987) and Prothero (1998).

Synonymy list
YearName and author
1937Synthetoceras siouxensis Frick
1967Prosynthetoceras siouxensis Patton
1987Lambdoceras siouxensis Tedford et al.
1998Lambdoceras siouxensis Prothero

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
subclassSynapsida
—Therapsida()
infraorderCynodontia()
—Mammaliamorpha
—Mammaliaformes
RankNameAuthor
classMammalia
—Theriamorpha(Rowe 1993)
—Theriiformes()
—Trechnotheria
—Cladotheria
—Zatheria
subclassTribosphenida()
subclassTheria
—Eutheria()
—Placentalia
—Boreoeutheria
—Laurasiatheria
—Scrotifera
—Euungulata
—Artiodactylamorpha
—Artiodactyla()
—Ruminantiamorpha
familyProtoceratidae
subfamilySynthetoceratinaeFrick 1937
tribeSynthetoceratini
genusLambdoceras
speciessiouxensis()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Lambdoceras siouxensis Frick 1937
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Diagnosis
No diagnoses are available